FAR and DFARS › FAR Part 23: Environment, Sustainable Acquisition, and Material Safety › Subpart 23.3
FAR 23.301 Definition.
The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.
In plain English
This section defines hazardous material by pointing to the latest version of Federal Standard No. 313. It also tells you where Federal Standards can be purchased. It matters because it tells you which source to consult for the definition rather than stating the definition itself.
Applies to: Contractors needing the definition of hazardous material under the FAR
Key terms: Hazardous material · Federal Standard No. 313 · Federal Standards
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
Hazardous material is defined in the latest version of Federal Standard No. 313. Federal Standards are sold to the public and Federal agencies through: General Services Administration, Specifications Unit (3FBP-W), 7th & D Sts., SW., Washington, DC 20407.
Sections that refer to it
- 23.304 Contract clauses.
← 23.300 Scope of subpart. · 23.302 Hazardous material identification and notice of material safety data. →
Rule changes for FAR Part 23
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · final rule 2025-08-27 · effective 2025-10-01
- Federal Acquisition Regulation: Disclosure of Greenhouse Gas Emissions and Climate-Related Financial Risk ↗ · proposed 2025-01-13
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · proposed 2024-11-29 · comments due 2025-01-28
- Federal Acquisition Regulation; Technical Amendments ↗ · final rule 2024-07-30 · effective 2024-08-29
- Federal Acquisition Regulation: Sustainable Procurement ↗ · final rule 2024-04-22 · effective 2024-05-22
- Federal Acquisition Regulation: Improving Consistency Between Procurement and Nonprocurement Procedures on Suspension and Debarment ↗ · proposed 2024-01-09 · comments due 2024-03-11
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.